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#!/sbin/openrc-run
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
SURICATA_BIN=/usr/bin/suricata
SURICATA_DIR=${SURICATA_DIR:-/etc/suricata}
SURICATA=${SVCNAME#*.}
SURICATAID=$(shell_var "${SURICATA}")
if [ -n "${SURICATA}" ] && [ ${SVCNAME} != "suricata" ]; then
eval SURICATACONF=\$SURICATA_CONF_${SURICATAID}
[ ${#SURICATACONF} -eq 0 ] && SURICATACONF="${SURICATA_DIR}/suricata-${SURICATA}.yaml" || SURICATACONF="${SURICATA_DIR}/${SURICATACONF}"
SURICATAPID="/var/run/suricata/suricata.${SURICATA}.pid"
eval SURICATAOPTS=\$SURICATA_OPTS_${SURICATAID}
eval SURICATALOGPATH=\$SURICATA_LOG_FILE_${SURICATAID}
eval SURICATAUSER=\$SURICATA_USER_${SURICATAID}
eval SURICATAGROUP=\$SURICATA_GROUP_${SURICATAID}
else
SURICATACONF=${SURICATA_CONF}
[ ${#SURICATACONF} -eq 0 ] && SURICATACONF="${SURICATA_DIR}/suricata.yaml" || SURICATACONF="${SURICATA_DIR}/${SURICATACONF}"
SURICATAPID="/var/run/suricata/suricata.pid"
SURICATAOPTS=${SURICATA_OPTS}
SURICATALOGPATH=${SURICATA_LOG_FILE}
SURICATAUSER=${SURICATA_USER}
SURICATAGROUP=${SURICATA_GROUP}
fi
SURICATAUSER=${SURICATAUSER:-${SURICATA_USER}}
SURICATAGROUP=${SURICATAGROUP:-${SURICATA_GROUP}}
[ -e ${SURICATACONF} ] && SURICATAOPTS="-c ${SURICATACONF} ${SURICATAOPTS}"
[[ -z "${SURICATA_MAX_WAIT_ON_STOP// }" ]] || SURICATA_RETRY="--retry ${SURICATA_MAX_WAIT_ON_STOP}"
description="Suricata IDS/IPS"
extra_commands="checkconfig dump"
description_checkconfig="Check config for ${SVCNAME}"
description_dump="List all config values that can be used with --set"
extra_started_commands="reload relog"
description_reload="Live rule and config reload"
description_relog="Close and re-open all log files"
depend() {
need net
after mysql
after postgresql
}
checkconfig() {
if [ ! -d "/var/run/suricata" ] ; then
checkpath -d /var/run/suricata
fi
if [ ${#SURICATALOGPATH} -gt 0 ]; then
SURICATALOGFILE=$( basename ${SURICATALOGPATH} )
SURICATALOGFILE=${SURICATALOGFILE:-suricata.log}
SURICATALOGPATH=$( dirname ${SURICATALOGPATH} )
if [ ! -d "${SURICATALOGPATH}" ] ; then
checkpath -d "${SURICATALOGPATH}"
fi
if [ ${#SURICATAUSER} -gt 0 ] && [ ${#SURICATAGROUP} -gt 0 ] && [ -e "${SURICATALOGPATH}" ]; then
chown ${SURICATAUSER}:${SURICATAGROUP} "${SURICATALOGPATH}" || return 1
chown ${SURICATAUSER}:${SURICATAGROUP} "${SURICATALOGPATH}"/* >/dev/null 2>&1 3>&1
fi
SURICATAOPTS="${SURICATAOPTS} --set logging.outputs.1.file.filename=${SURICATALOGPATH}/${SURICATALOGFILE}"
SURICATALOGPATH="-l ${SURICATALOGPATH}"
fi
if [ ! -e ${SURICATACONF} ] ; then
einfo "The configuration file ${SURICATACONF} was not found."
einfo "If this is OK then make sure you set enough options for ${SVCNAME} in /etc/conf.d/suricata."
einfo "Take a look at the suricata arguments --set and --dump-config."
fi
if [ ${#SURICATAUSER} -gt 0 ] && [ ${#SURICATAGROUP} -gt 0 ]; then
einfo "${SVCNAME} will run as user ${SURICATAUSER}:${SURICATAGROUP}."
SURICATAOPTS="${SURICATAOPTS} --user=${SURICATAUSER} --group=${SURICATAGROUP}"
fi
}
initpidinfo() {
[ -e ${SURICATAPID} ] && SUR_PID="$(cat ${SURICATAPID})"
if [ ${#SUR_PID} -gt 0 ]; then
SUR_PID_CHECK="$(ps -eo pid | grep -c ${SUR_PID})"
SUR_USER="$(ps -p ${SUR_PID} --no-headers -o user)"
fi
}
checkpidinfo() {
initpidinfo
if [ ! -e ${SURICATAPID} ]; then
eerror "${SVCNAME} isn't running"
return 1
elif [ ${#SUR_PID} -eq 0 ] || [ $((SUR_PID_CHECK)) -ne 1 ]; then
eerror "Could not determine PID of ${SVCNAME}! Did the service crash?"
return 1
elif [ ${#SUR_USER} -eq 0 ]; then
eerror "Unable to determine user running ${SVCNAME}!"
return 1
elif [ "x${SUR_USER}" != "xroot" ]; then
ewarn "${SVCNAME} may need to be running as root or as a priviledged user for the extra commands reload and relog to work."
fi
}
start() {
checkconfig || return 1
ebegin "Starting ${SVCNAME}"
start-stop-daemon --start --quiet --exec ${SURICATA_BIN} \
-- --pidfile ${SURICATAPID} -D ${SURICATAOPTS} ${SURICATALOGPATH} >/dev/null 2>&1
local SUR_EXIT=$?
if [ $((SUR_EXIT)) -ne 0 ]; then
einfo "Could not start ${SURICATA_BIN} with:"
einfo "--pidfile ${SURICATAPID} -D ${SURICATAOPTS} ${SURICATALOGPATH}"
einfo "Exit code ${SUR_EXIT}"
fi
eend ${SUR_EXIT}
}
stop() {
ebegin "Stopping ${SVCNAME}"
start-stop-daemon --stop ${SURICATA_RETRY} --quiet --pidfile ${SURICATAPID} >/dev/null 2>&1
eend $?
}
reload() {
checkpidinfo || return 1
checkconfig || return 1
ebegin "Sending USR2 signal to ${SVCNAME} to perform a live rule and config reload."
if [ ${#SURICATAUSER} -gt 0 ] && [ ${#SURICATAGROUP} -gt 0 ]; then
start-stop-daemon --user ${SURICATAUSER} --group ${SURICATAGROUP} --signal USR2 --pidfile ${SURICATAPID}
else
start-stop-daemon --signal USR2 --pidfile ${SURICATAPID}
fi
eend $?
}
relog() {
checkpidinfo || return 1
checkconfig || return 1
ebegin "Sending HUP signal to ${SVCNAME} to close and re-open all log files."
if [ ${#SURICATAUSER} -gt 0 ] && [ ${#SURICATAGROUP} -gt 0 ]; then
start-stop-daemon --user ${SURICATAUSER} --group ${SURICATAGROUP} --signal HUP --pidfile ${SURICATAPID}
else
start-stop-daemon --signal HUP --pidfile ${SURICATAPID}
fi
eend $?
}
dump() {
checkconfig || return 1
ebegin "Dumping ${SVCNAME} config values and quitting."
${SURICATA_BIN} --dump-config --pidfile ${SURICATAPID} ${SURICATAOPTS} ${SURICATALOGPATH}
eend $?
}
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